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This study addresses the often-overlooked issue of measurability at intermediate points when applying Taylor's theorems to random functions and random vectors (e.g., likelihood functions with respect to estimators) in statistics. Classical…

其他统计学 · 统计学 2025-05-01 Yifan Yang , Xiaoyu Zhou , Ming Wang

For a function defined on a convex set in a Euclidean space, midpoint convexity is the property requiring that the value of the function at the midpoint of any line segment is not greater than the average of its values at the endpoints of…

度量几何 · 数学 2019-05-20 Satoko Moriguchi , Kazuo Murota , Akihisa Tamura , Fabio Tardella

This paper provides a mean value theorem for arithmetic functions $f$ defined by $$f(n)=\prod_{d|n}g(d),$$ where $g$ is an arithmetic function taking values in $(0, 1]$ and satisfying some generic conditions. As an application of our main…

数论 · 数学 2020-10-08 Lucas Reis

The edge-of-the-wedge theorem in several complex variables gives the analytic continuation of functions defined on the poly upper half plane and the poly lower half plane, the set of points in $\mathbb{C}^d$ with all coordinates in the…

复变函数 · 数学 2017-09-19 J. E. Pascoe

In this note a general a Cauchy-type mean value theorem for the ratio of functional determinants is offered. It generalizes Cauchy's and Taylor's mean value theorems as well as other classical mean value theorems.

经典分析与常微分方程 · 数学 2017-06-29 Zsolt Páles

We consider a one-dimensional discrete-space birth process with a bounded number of particle per site. Under the assumptions of the finite range of interaction, translation invariance, and non-degeneracy, we prove a shape theorem. We also…

概率论 · 数学 2022-02-23 Viktor Bezborodov , Luca Di Persio , Tyll Krueger

The paper studies coincidence points of parameterized set-valued mappings (multifunctions), which provide an extended framework to cover several important topics in variational analysis and optimization that include the existence of…

最优化与控制 · 数学 2022-03-23 Aram V. Arutyunov , Boris S. Mordukhovich , Sergey E. Zhukovskiy

In this work a mean value theorem of Pompeiu's type for functions of two variables is presented. Other related results are given as well.

经典分析与常微分方程 · 数学 2016-04-08 Mohammad Wajeeh Alomari

For a disk $D$ in the plane $\mathbb R^2$ and a plane map $f$, we give several conditions on the restriction of $f$ to the boundary $\partial D$ of $D$ which imply the existence of a fixed point of $f$ in some specified domain in $D$. These…

动力系统 · 数学 2024-02-27 Jiehua Mai , Enhui Shi , Kesong Yan , Fanping Zeng

We established a fixed-point theorem for mapping satisfying a general contractive inequality of integral type depended an another function. This theorem substantially extend the theorem due to Branciari (2003) and Rhoades (2003)

泛函分析 · 数学 2009-03-10 S. Moradi

In this paper, we establish some fixed point theorems in ordered partial metric spaces. An example is given to illustrate our obtained results.

一般拓扑 · 数学 2016-10-05 Hassen Aydi

The aim of this note is to characterize all pairs of sufficiently smooth functions for which the mean value in the Cauchy Mean Value Theorem is taken at a point which has a well-determined position in the interval. As an application of this…

经典分析与常微分方程 · 数学 2015-08-04 Zoltan M. Balogh , Orif O. Ibrogimov , Boris S. Mityagin

We present a general approach to study a class of random growth models in $n$-dimensional Euclidean space. These models are designed to capture basic growth features which are expected to manifest at the mesoscopic level for several…

概率论 · 数学 2020-08-20 Amir Dembo , Pablo Groisman , Ruojun Huang , Vladas Sidoravicius

The first and second moments are established for the family of quadratic Dirichlet $L$--functions over the rational function field at the central point $s=\tfrac{1}{2}$ where the character $\chi$ is defined by the Legendre symbol for…

数论 · 数学 2014-01-03 Julio C. Andrade , Jonathan P. Keating

In this paper, we first prove two new identities for multiplicative differentiable functions. Based on this identity, we establish a midpoint and trapezoid type inequalities for multiplicatively convex functions. Applications to special…

经典分析与常微分方程 · 数学 2022-08-02 Berhail Amel , Meftah Badreddine

We introduce a new type of mappings in metric space which are three-point analogue of the well-known Chatterjea type mappings, and call them generalized Chatterjea type mappings. It is shown that such mappings can be discontinuous as is the…

度量几何 · 数学 2025-05-27 Ovidiu Popescu , Cristina Maria Păcurar

In this paper, we show a mean convergence theorem for a mapping with an attractive point in a Hilbert space by using a quasinonexpansive extension of the mapping and a mean convergence theorem for a quasinonexpansive mapping.

泛函分析 · 数学 2022-05-24 Koji Aoyama , Masashi Toyoda

We prove an intermediate value theorem of an arithmetical flavor, involving the consecutive averages of sequences with terms in a given finite set A. For every such set we completely characterize the numbers x ("intermediate values") with…

综合数学 · 数学 2007-05-23 Mihai Caragiu , Laurence D. Robinson

In this paper we are going to prove a very general fixed point theorem for mappings acting in partial metric spaces. In that theorem we impose some conditions on behavior of considered mappings on orbits and a condition relating orbits of…

一般拓扑 · 数学 2023-12-27 Dariusz Bugajewski , Piotr Maćkowiak

Let n points be taken at random on a circle of unit circumference and clockwise ordered. Uniform spacings are defined as the clockwise arc-lengths between the successive points from this sample. We are interested in the asymptotic behavior…

概率论 · 数学 2024-04-16 Sherzod M. Mirakhmedov
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